%0 Journal Article %A Melzak, Z.A. %T On the Problem of Steiner %J Canadian mathematical bulletin %D 1961 %P 143-148 %V 4 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-016-2/ %R 10.4153/CMB-1961-016-2 %F 10_4153_CMB_1961_016_2